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Friday, June 19, 2009

Thermosiphon Solar Air Heater with heat storage

This is a solar air heater that uses the sun's heat to pump air into the house. It also stores heat into a bed of rock. Even after the sun sets, the heat from the rocks will still cause the thermosiphon effect to continue to work. After the sun sets, an insulated cover should be placed over the solar collector. Cheap double pane tempered safety glass can be found for free or really cheap at a glass shop. Just ask for used sliding glass doors. If they have moisture between the layers then that is easily fixed. When the glass heats up in the sun, it will steam the moisture out. You can then re silicone the edges between the glass sheets. I can pick these doors up for $20 each from the local glass shop. They told me any glass sitting outside is there to be thrown out so I can have that stuff for free.

For the inside of the solar collector, just use corrugated sheet metal roofing. Just sandwich two pieces and screw together. This forms chanels and gives more surface area for heat transfer. Paint the side facing the sun with high temp flat black spray paint. They sell that paint for barbeques.

16 comments:

Thanks, sometimes it's hard to think of things. But on those days when I'm extra creative, I'll come up with 4 or 5 things and put them on the list. I keep a running list for about 2 weeks. (I bet you'd love to see it, wouldn't you?)

Oh, and feel free to make suggestions like you did with the worm composter. I like bouncing ideas back and forth and watching them grow.

If u used black thin aluminum pipe with a reflector behind them built into a box u could for a vacuum in. It transfer cold well but u would still get the heat from the sunshine. Like an evacuated tube but bigger and low teck. .. maybe ?

Thank you for sharing valuable information. Nice post. I enjoyed reading this post.that,s my article in solar heater water :Solar energy and solar heaters water

About solar heaters: -

What are the thermal applications of solar water heating?- Water heating for houses and residential complexes.- Water heating for hotels.- Heating water for factories and industrial companies.- Heating of swimming pools.- Solar water desalination plants.

How does a solar water heater work?The solar heater works to heat the water using solar energy by means of complexes that receive the solar radiation in different systems, which allows the user to use the system appropriate to its conditions.

What types of solar complexes?• Flat Solar Collector System:- Simple, solid.- The most beautiful.- The possibility of installation on the surface.- lower cost.- Maintenance is available.

• Solar collector system with vacuum tubes:- Best for industrial use.- Available in different sizes.- Suitable for buildings.- Maintenance is available.

What are the benefits of solar water heater for the consumer?- Savings on traditional energy consumption such as electricity and petroleum fuels.- Savings in waste of government subsidies on petroleum products.- A friend of the environment.- Reduction of pollution and thermal emissions.

Will the solar heater always provide hot water?Solar heating systems are equipped to ensure hot water throughout the day and all kinds.Solar water heater systems are designed to provide hot water to the consumer at all times throughout the year. However, in some areas only and in winter, sometimes the acquisition of solar heat may not be sufficient to provide enough hot water. In this case, an additional tool is usually used to increase the power, such as gas or electricity, to heat the water, although most areas in Egypt have sun all year long.

What is the solar heater?1 - The required temperature.2 - quantity of water required.3 - Number of consumers.4 - Number of bathrooms and kitchens.

Design stages: - Preview Location: • The surfaces are slanted and flat. • Access to the installation location.• Available area 200 liter tank needs an area of 2 square meters.• Al-Sokhani weight is in the range of 100 kilo per cubic meter. • Orientation (facing the south) and the absence of a hindrance.

- Determination of the amount of hot water required.- Choose the place most suitable for installation.- Calculate the size of the surface area of the solar complexes and the size of the reservoir.

What is the required size for the solar water heater system? - The choice of the required size is based mainly on the number of individuals taking into consideration the number of bathrooms for the home system.- According to the standard of plumbing, the family of four to six individuals use 200 liters to 300 liters per day.

Maintenance:Customer role when receiving solar heater from supplier:• Check the delivery form.• Ensure that the heater is installed southward.• Make sure there is no shadow barrier.• Check that the water heater is working properly.• Know how to perform routine maintenance.• Know when a qualified maintenance technician is called to check or replace spare parts.• Know the details of the guarantees covered in the installation process.• Take care to clean the roofs of the compounds periodically once a month.• Contact the company in the absence of hot water.

Cool Idea! Why don't you create a working prototype of this Solar Air Heater and post the video on YouTube! A picture is worth a thousand words, a video is worth a million! May I suggest using small plastic fresnel lenses, such that it forms a big fresnel lens sheet, with off-centered focal point, this may increase the efficiency 10 times.

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